SIG SAUER AIRGUN RIFLE MCX AIR, .177 Cal, 88Gr C02, 30RD, TAN (FDE), 410 FPS - 5.7 JOULES - WITH MICRO RED DOT410 FPS Details: The US military's newest sidearm is now available for the first time in an operational airsoft format developed for the training professional. In January 2017, the SIG SAUER P320 based M17 was awarded the United States Military's Modular Handgun System contract. Now you can own and train with a piece of history, as SIG SAUER introduces the SIG AIR ProForce M17 airsoft training pistol with the same unparalleled look and feel as the U.